corporation in one city with one group of people creates resentment among and other. there want to rebuild neighborhoods, but they don't want to be seen as lackeys of the americans. gives you a strange dynamic and gives you insight into the impact that history has been to the support of the world that is used to congress for thousands of years. it been able to create a relationship and hedge their bets. apart from the human tragedies, your heart breaks when you read about someone he just had a baby a few days earlier, spoke to his wife before he went on a mission and nine helicopter crash. your heart breaks and reminds you of the human cost and also reminds you of the logistical challenge. >> did this book makes you regret operation afghanistan? >> no. i just think it reminds us of the challenges of the. the end of the day after ana says it -- afghanistan is important. you don't want to create a safe haven for people to the be able to come back and reconstitute, but it's also about pakistan. to have an unstable afghanistan where radical islamist well on elements are o